. >> up next on booktv after words with guest host authors and play right janet langhart cohen. this week is dorian clayborne carson and "martin's dream" my journey and the legacy of martin luther king, jr.. in it he recalls his journey from teenage civil rights activist to his presence at the 1963 march on -- he includes encounters with the many leaders and organizers in the civil rights movement including stokely carmichael and the king family. it's about an hour. >> host: dr. carson thanks for joining me on after words. >> guest: it's my pleasure. >> host: your book, "martin's dream" is a memoir and a history book. in the book you talk about your personal journey and you are very candid about your life and you also cover new insights as a historian to the life and legacy of dr. martin luther king jr.. what prompted you to write the book this way? >> guest: well, i wanted to write about the martin luther king anniversary and 50 years of my life that came to light and his legacy and life coincides with my coming-of-age. so part of it was to move those two tasks. i felt my life